# SDR CA101026004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Make and model: Beech B200
- Registry model: [Beech B200](https://openairdocs.org/model/beech-b200) (OpenAirDocs)
- Aircraft time: 11,351 hours
- Engine: Pwa PT642A
- System (JASC): [3497 · Navigation System Wiring](https://openairdocs.org/jasc/3497)
- Part: Coax
- Condition: Failed
- Location: Navigation Syst
- Stage of operation: AP
- How discovered: O
- Nature of condition: H
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA101026004

## Discrepancy

(CAN) DURING APPROACH IN IMC GPS PORTION OF THE FMS FAILED AND GAVE ERROR MESSAGE "GPS 1 NOT NAV".  IT WAS DETERMINED THE COAXIAL CABLE AT THE BASE OF THE GPS ANTENNA HAD A POOR CONNECTION.  THE COAXIAL CABLE WAS EASILY PULLED FROM THE COAX CONNECTOR.  CONNECTOR REATTACHED TO THE COAX CABLE AND GROUND TESTED FINE.

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